/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package Servlet;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import clases.*;
import javax.servlet.http.HttpSession;

/**
 *
 * @author GOPEZ
 */
public class Gerencia extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
          //por si entra sin loguearse al serlet
        HttpSession sesionOk = request.getSession();
            if (sesionOk.getAttribute("Usuario") == null) {
            response.setContentType("text/html;charset=UTF-8");
            response.sendRedirect("/ProyectoBases2/index.jsp");
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        /**
         * Procesando la pagina gerencia grafica
         * y verificamos si es la sesion correcta
         */
        PrintWriter out = response.getWriter();
        HttpSession session = ((HttpServletRequest) request).getSession(false);
        try {
            if (session != null) {
                CrearGrafica(request.getParameter("gerencia_grafica"), response);
            } else {
                /*
                 * La sesion no esta disponible
                 */
                response.sendRedirect("/ProyectoBases2/index.jsp");
            }

        } catch (Exception xs) {
            System.out.println("a corrido una excepcion..........." + xs.getMessage());
        } finally {
            out.close();
        }
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
    private void CrearGrafica(String gerencia_grafica, HttpServletResponse response) throws IOException {
//        Grafica nuevagrafica = new Grafica();
//        Error_Data misErrores = new Error_Data();
//        if(gerencia_grafica.compareTo("barra")==0){
//                if (nuevagrafica.dibujarbarras()) {
//            misErrores.MostrarImagen("barras", response, "Continuar", "gerencia.jsp");
//        } else {
//            misErrores.EscribirMensajes("Error Grafica Barras ", response, "Regresar", "gerencia.jsp");
//        }
//        }
//        else if(gerencia_grafica.compareTo("pie")==0){
//                if (nuevagrafica.dibujarPay()) {
//            misErrores.MostrarImagen("pay", response, "Continuar", "gerencia.jsp");
//        } else {
//            misErrores.EscribirMensajes("Error Grafica Pie ", response, "Regresar", "gerencia.jsp");
//        }
//        }

    }
}
